Between the late nineteenth and the mid-twentieth century, the Palisades were transformed from a site of industrial excavation to a motorist's paradise. Driving that transformation was the conservationist vision of John D. Rockefeller Jr. (JDR Jr.). The particular type of conservation being practiced was shaped by JDR Jr.'s attempts to expand access to nature by building automobile roads within parks. Roads, JDR believed, were the best way to experience nature. Through his philanthropy the Palisades Interstate Park was reshaped to accommodate natureloving American motorist in the first three decades of the twentieth century.